Standardize usage of virtual/override/final specifiers.

chrome/browser/signin/signin_names_io_thread_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_loop/message_loop.h"
 #include "base/observer_list.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/signin/fake_signin_manager.h"
 #include "chrome/browser/signin/signin_names_io_thread.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chrome/test/base/testing_profile_manager.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class SigninNamesOnIOThreadTest : public testing::Test {
  public:
   SigninNamesOnIOThreadTest();
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
   void SimulateSignin(const base::string16& email);
   void AddNewProfile(const base::string16& name, const base::string16& email);
 
   base::MessageLoop message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread io_thread_;
   scoped_ptr<TestingProfile> profile_;
   FakeSigninManager* signin_manager_;
   TestingProfileManager testing_profile_manager_;
@@ skipping 70 matching lines @@
 
   SigninNamesOnIOThread signin_names;
 
   const SigninNamesOnIOThread::EmailSet& emails = signin_names.GetEmails();
   ASSERT_EQ(2u, emails.size());
   ASSERT_EQ(1u, emails.count(email1));
   ASSERT_EQ(1u, emails.count(email2));
 
   signin_names.ReleaseResourcesOnUIThread();
 }